18243350 has 24 divisors (see below), whose sum is σ = 34069248. Its totient is φ = 7268000.

The previous prime is 18243343. The next prime is 18243353. The reversal of 18243350 is 5334281.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18243353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15275 + ... + 16425.

It is an arithmetic number, because the mean of its divisors is an integer number (1419552).

Almost surely, 2^18243350 is an apocalyptic number.

18243350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18243350 is a deficient number, since it is larger than the sum of its proper divisors (15825898).

18243350 is a wasteful number, since it uses less digits than its factorization.

18243350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 18243350 is about 4271.2234781149. The cubic root of 18243350 is about 263.2498889950.

The spelling of 18243350 in words is "eighteen million, two hundred forty-three thousand, three hundred fifty".